Home / 39,785.86-54,897.15-23,658.55

Finding the Fourth Proportional to 39,785.86, 54,897.15 and 23,658.55

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Solution

The fourth proportional to 39,785.86, 54,897.15 and 23,658.55 is: 32,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,785.86 : 54,897.15 = 23,658.55 : x
  2. Step 2: Convert to fraction form
    39,785.86/54,897.15 = 23,658.55/x
  3. Step 3: Cross multiply
    39,785.86x = 54,897.15 × 23,658.55
  4. Step 4: Simplify right side
    39,785.86x = 1,298,786,968.13
  5. Step 5: Solve for x
    x = 1,298,786,968.13/39,785.86
  6. Step 6: Final answer
    x = 32,644.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.